USN-5192-2 apache-log4j2 vulnerability

USN-5192-1 fixed a vulnerability in Apache Log4j 2. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run programs via a special crafted input. An attacker could use this...

USN-5198-1 htmldoc vulnerability

It was discovered that HTMLDOC improperly handled malformed URIs from an input html file. An attacker could use this to cause a denial of service...

USN-5195-1 mumble vulnerability

It was discovered that the Mumble client supported websites for public servers with arbitrary URL schemes. If a user were tricked into visiting a malicious website from the public server list, a remote attacker could possibly execute arbitrary code...

USN-5195-2 mumble vulnerability

It was discovered that the Mumble client supported websites for public servers with arbitrary URL schemes. If a user were tricked into visiting a malicious website from the public server list, a remote attacker could possibly execute arbitrary code...

USN-5197-1 apache-log4j2 vulnerability

It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non-default configurations. An attacker could use this vulnerability to cause a denial of service. Please see the following link for more information:...

USN-5194-1 olm vulnerability

Denis Kasak discovered that Olm was not verifying the length of input being processed by the olmpkdecrypt module, which introduced a stack-based buffer overflow vulnerability to the library. An attacker could use this to cause a denial of service application crash or possibly execute arbitrary co...

USN-5174-2 samba regression

USN-5174-1 fixed vulnerabilities in Samba. Some of the changes introduced a regression in Kerberos authentication in certain environments. Please see the following upstream bug for more information: https://bugzilla.samba.org/showbug.cgi?id=14922 This update fixes the problem. Original advisory...

USN-5189-1 A security issue was fixed in GLib

It was discovered that GLib incorrectly handled certain environment variables. An attacker could possibly use this issue to escalate privileges...

USN-5142-3 samba regression

USN-5142-1 fixed vulnerabilities in Samba. Some of the upstream changes introduced a regression in Kerberos authentication in certain environments. Please see the following upstream bug for more information: https://bugzilla.samba.org/showbug.cgi?id=14922 This update fixes the problem. Original...

USN-5188-1 keepalived vulnerability

It was discovered that Keepalived incorrectly handled certain messages. An attacker could possibly use this issue to access-control bypass...

USN-5173-2 libmodbus vulnerabilities

USN-5173-1 fixed vulnerabilities in libmodbus. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that libmodbus incorrectly handled inputs. An attacker could possibly use this issue to cause a denial of service o...

USN-5172-2 uriparser vulnerability

USN-5172-1 fixed vulnerabilities in uriparser. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that uriparser mishandled certain input. An attacker could use this vulnerability to cause uriparser to crash or...

USN-5171-2 lrzip vulnerabilities

USN-5171-1 fixed vulnerabilities in Long Range ZIP. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that Long Range ZIP incorrectly handled certain specially crafted lrz files. A remote attacker could possibly...

USN-5184-1 libmysofa vulnerability

It was discovered that libmysofa mishandled certain input. An attacker could use this vulnerability to cause a denial of service crash...

USN-5168-4 nss regression

USN-5168-3 fixed a vulnerability in NSS. Unfortunately that update introduced a regression that could break SSL connections. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Tavis Ormandy discovered that NSS incorrectly handled verifying DSA/RSA-PSS...

USN-5178-1 python-django vulnerability

Sjoerd Job Postmus and TengMA discovered that Django incorrectly handled URLs with trailing newlines. A remote attacker could possibly use this issue to bypass certain access controls...

USN-5142-2 samba regressions

USN-5142-1 fixed vulnerabilities in Samba. Some of the upstream changes introduced regressions in name mapping and backups. Please see the following upstream bugs for more information: https://bugzilla.samba.org/showbug.cgi?id=14901 https://bugzilla.samba.org/showbug.cgi?id=14918 This update fixe...

USN-5170-1 mariadb-10.3, mariadb-10.5 vulnerability

A security issue was discovered in MariaDB and this update includes new upstream MariaDB versions to fix the issue. MariaDB has been updated to 10.3.32 in Ubuntu 20.04 LTS and to 10.5.13 in Ubuntu 21.04 and Ubuntu 21.10. In addition to security fixes, the updated packages contain bug fixes, new...

USN-5175-1 ntp vulnerability

It was discovered that ntpd incorrectly handled memory when CMAC keys were used. A remote attacker could possibly use this issue to cause ntpd to crash resulting in a denial of service...

USN-5174-1 samba vulnerabilities

Stefan Metzmacher discovered that Samba incorrectly handled SMB1 client connections. A remote attacker could possibly use this issue to downgrade connections to plaintext authentication. CVE-2016-2124 Andrew Bartlett discovered that Samba incorrectly mapping domain users to local users. An...

USN-5173-1 libmodbus vulnerabilities

It was discovered that libmodbus incorrectly handled inputs. An attacker could possibly use this issue to cause a denial of service or other unspecified impact...

USN-5171-1 lrzip vulnerabilities

It was discovered that Long Range ZIP incorrectly handled certain specially crafted lrz files. A remote attacker could possibly use this issue to cause a denial of service crash or other unspecified impact...

USN-5168-3 nss vulnerability

USN-5168-1 fixed a vulnerability in NSS. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Tavis Ormandy discovered that NSS incorrectly handled verifying DSA/RSA-PSS signatures. A remote attacker could use this issue to cause NSS ...

USN-5168-1 nss vulnerability

Tavis Ormandy discovered that NSS incorrectly handled verifying DSA/RSA-PSS signatures. A remote attacker could use this issue to cause NSS to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-5168-2 thunderbird vulnerability

Tavis Ormandy discovered that NSS, included with Thunderbird, incorrectly handled verifying DSA/RSA-PSS signatures. A remote attacker could use this issue to cause Thunderbird to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-5165-1 linux-oem-5.14 vulnerabilities

It was discovered that the NFC subsystem in the Linux kernel contained a use-after-free vulnerability in its NFC Controller Interface NCI implementation. A local attacker could possibly use this to cause a denial of service system crash or execute arbitrary code. CVE-2021-3760 It was discovered...

USN-5164-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that the Option USB High Speed Mobile device driver in the Linux kernel did not properly handle error conditions. A physically proximate attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-37159 It was discovered that th...

USN-5162-1 linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oem-5.13, linux-oracle, linux-raspi vulnerabilities

Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information kernel memory. CVE-2021-3655 It was discovered that the AMD...

USN-5161-1 linux, linux-aws, linux-aws-5.11, linux-azure, linux-azure-5.11, linux-gcp, linux-gcp-5.11, linux-hwe-5.11, linux-kvm, linux-oracle, linux-oracle-5.11, linux-raspi vulnerabilities

Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information kernel memory. CVE-2021-3655 It was discovered that the AMD...

USN-5158-1 imagemagick vulnerabilities

It was discovered that ImageMagick incorrectly handled certain values when processing visual effects based image files. By tricking a user into opening a specially crafted image file, an attacker could crash the application causing a denial of service. CVE-2021-20244 It was discovered that...

USN-5157-1 postorius vulnerability

It was discovered that Postorius mishandled specially crafted input. An attacker could use this vulnerability that obtain sensitive information...

USN-5156-1 A security issue was fixed in ICU

It was discovered that ICU contains a double free issue. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code...

USN-5155-1 bluez vulnerabilities

It was discovered that BlueZ incorrectly handled the Discoverable status when a device is powered down. This could result in devices being powered up discoverable, contrary to expectations. This issue only affected Ubuntu 20.04 LTS, Ubuntu 21.04, and Ubuntu 21.10. CVE-2021-3658 It was discovered...

USN-5153-1 libreoffice vulnerabilities

It was discovered that LibreOffice incorrectly handled digital signatures. An attacker could possibly use this issue to create a specially crafted document that would display a validly signed indicator, contrary to expectations...

USN-5151-1 mailman vulnerabilities

It was discovered that Mailman incorrectly handled certain URL. An attacker could possibly use this issue to execute arbitrary code. CVE-2021-43331 It was discovered that Mailman incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information...

USN-5150-1 openexr vulnerability

It was discovered that OpenEXR incorrectly handled certain EXR image files. An attacker could possibly use this issue to cause a crash...

USN-5148-2 hivex vulnerability

USN-5148-1 fixed a vulnerability in hivex. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that hivex incorrectly handled certain input. An attacker could use this vulnerability to cause a crash or obtain...

USN-5149-1 accountsservice vulnerability

Kevin Backhouse discovered that AccountsService incorrectly handled memory when performing certain language setting operations. A local attacker could use this issue to escalate privileges...

USN-5148-1 hivex vulnerability

It was discovered that hivex incorrectly handled certain input. An attacker could use this vulnerability to cause a crash or obtain sensitive information...

USN-5147-1 vim vulnerabilities

It was discovered that Vim incorrectly handled permissions on the .swp file. A local attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 14.04 ESM. CVE-2017-17087 It was discovered that Vim incorrectly handled restricted mode. A local attacker...

USN-5146-1 thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, or execute arbitrary code...

USN-5145-1 postgresql-10, postgresql-12, postgresql-13 vulnerabilities

Jacob Champion discovered that PostgreSQL incorrectly handled SSL certificate verification and encryption. A remote attacker could possibly use this issue to inject arbitrary SQL queries when a connection is first established...

USN-5144-1 openexr vulnerability

It was discovered that OpenEXR incorrectly handled certain EXR image files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-5142-1 samba vulnerabilities

Stefan Metzmacher discovered that Samba incorrectly handled SMB1 client connections. A remote attacker could possibly use this issue to downgrade connections to plaintext authentication. CVE-2016-2124 Andrew Bartlett discovered that Samba incorrectly mapping domain users to local users. An...

USN-5137-2 linux-bluefield, linux-gke-5.4, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities

It was discovered that the f2fs file system in the Linux kernel did not properly validate metadata in some situations. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service system crash or possibly execute arbitrary code...

USN-5139-1 linux-oem-5.10 vulnerabilities

Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information kernel memory. CVE-2021-3655 It was discovered that the AMD...

USN-5138-1 python-py vulnerability

The py.path.svnwc component of py aka python-py through v1.9.0 contains a regular expression with an ambiguous subpattern that is susceptible to catastrophic backtracing. This could be used by attackers to cause a compute-time denial of service attack by supplying malicious input to the blame...

USN-5137-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-kvm vulnerabilities

It was discovered that the f2fs file system in the Linux kernel did not properly validate metadata in some situations. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service system crash or possibly execute arbitrary code...

USN-5136-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that the f2fs file system in the Linux kernel did not properly validate metadata in some situations. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service system crash or possibly execute arbitrary code...

USN-5130-1 linux vulnerabilities

Jann Horn discovered a race condition in the tty subsystem of the Linux kernel in the locking for the TIOCSPGRP ioctl, leading to a use-after- free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-29661 Jann Horn...